1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.systemui.stackdivider; 18 19 import static android.view.WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE; 20 import static android.view.WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE; 21 import static android.view.WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL; 22 import static android.view.WindowManager.LayoutParams.FLAG_SLIPPERY; 23 import static android.view.WindowManager.LayoutParams.FLAG_SPLIT_TOUCH; 24 import static android.view.WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH; 25 import static android.view.WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS; 26 import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_NO_MOVE_ANIMATION; 27 import static android.view.WindowManager.LayoutParams.TYPE_DOCK_DIVIDER; 28 29 import android.content.Context; 30 import android.graphics.PixelFormat; 31 import android.os.Binder; 32 import android.view.View; 33 import android.view.WindowManager; 34 35 /** 36 * Manages the window parameters of the docked stack divider. 37 */ 38 public class DividerWindowManager { 39 40 private static final String WINDOW_TITLE = "DockedStackDivider"; 41 42 private final WindowManager mWindowManager; 43 private WindowManager.LayoutParams mLp; 44 private View mView; 45 DividerWindowManager(Context ctx)46 public DividerWindowManager(Context ctx) { 47 mWindowManager = ctx.getSystemService(WindowManager.class); 48 } 49 add(View view, int width, int height)50 public void add(View view, int width, int height) { 51 mLp = new WindowManager.LayoutParams( 52 width, height, TYPE_DOCK_DIVIDER, 53 FLAG_NOT_FOCUSABLE | FLAG_NOT_TOUCH_MODAL 54 | FLAG_WATCH_OUTSIDE_TOUCH | FLAG_SPLIT_TOUCH | FLAG_SLIPPERY, 55 PixelFormat.TRANSLUCENT); 56 mLp.token = new Binder(); 57 mLp.setTitle(WINDOW_TITLE); 58 mLp.privateFlags |= PRIVATE_FLAG_NO_MOVE_ANIMATION; 59 mLp.layoutInDisplayCutoutMode = LAYOUT_IN_DISPLAY_CUTOUT_MODE_ALWAYS; 60 view.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN 61 | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION 62 | View.SYSTEM_UI_FLAG_LAYOUT_STABLE); 63 mWindowManager.addView(view, mLp); 64 mView = view; 65 } 66 remove()67 public void remove() { 68 if (mView != null) { 69 mWindowManager.removeView(mView); 70 } 71 mView = null; 72 } 73 setSlippery(boolean slippery)74 public void setSlippery(boolean slippery) { 75 boolean changed = false; 76 if (slippery && (mLp.flags & FLAG_SLIPPERY) == 0) { 77 mLp.flags |= FLAG_SLIPPERY; 78 changed = true; 79 } else if (!slippery && (mLp.flags & FLAG_SLIPPERY) != 0) { 80 mLp.flags &= ~FLAG_SLIPPERY; 81 changed = true; 82 } 83 if (changed) { 84 mWindowManager.updateViewLayout(mView, mLp); 85 } 86 } 87 setTouchable(boolean touchable)88 public void setTouchable(boolean touchable) { 89 boolean changed = false; 90 if (!touchable && (mLp.flags & FLAG_NOT_TOUCHABLE) == 0) { 91 mLp.flags |= FLAG_NOT_TOUCHABLE; 92 changed = true; 93 } else if (touchable && (mLp.flags & FLAG_NOT_TOUCHABLE) != 0) { 94 mLp.flags &= ~FLAG_NOT_TOUCHABLE; 95 changed = true; 96 } 97 if (changed) { 98 mWindowManager.updateViewLayout(mView, mLp); 99 } 100 } 101 } 102